· a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)

Hypernym(s): weapon, arm, weapon_system

· large but transportable armament

Synonym(s): artillery, heavy_weapon, ordnance

Hypernym(s): armament

· a person who shoots a gun (as regards their ability)

Synonym(s): gunman

Hypernym(s): shot, shooter

· a professional killer who uses a gun

Synonym(s): gunman, gunslinger, hired_gun, gun_for_hire, triggerman, hit_man, hitman, torpedo, shooter

Hypernym(s): murderer, liquidator, manslayer

· a hand-operated pump that resembles a pistol; forces grease into parts of a machine

Synonym(s): grease_gun

Hypernym(s): pump

· a pedal that controls the throttle valve; "he stepped on the gas"

Synonym(s): accelerator, accelerator_pedal, gas_pedal, gas, throttle

Hypernym(s): pedal, treadle, foot_pedal, foot_lever

· the discharge of a firearm as signal or as a salute in military ceremonies; "two runners started before the gun"; "a twenty gun salute"

Hypernym(s): discharge, firing, firing_off

· shoot with a gun

Hypernym(s): blast, shoot